Vulnerability in Kernel package: net: mdio: unexport __init-annotated mdio_bus_init()
Summary
GSD-2022-1002941: net: mdio: unexport __init-annotated mdio_bus_init(). Affects Kernel versions >= 90eff9096c01ba90cdae504a6b95ee87fe2556a3, < f5c68137f1191ba3fcf6260ec71b30be2e2bf4c3. No fix is published. How to fix ↓
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Background
The Kernel package is a crucial component of the Linux operating system. It provides the core functionality and acts as an interface between the hardware and software layers. The mdio_bus_init() function within the network (net) subsystem is responsible for initializing the Management Data Input/Output (MDIO) bus, which is used for communication with Ethernet PHY devices. This vulnerability affects the mdio_bus_init() function, potentially leading to security issues.
Vulnerability Detail
The vulnerability identified as GSD-2022-1002941 in the Kernel package involves the unexported __init-annotated mdio_bus_init() function within the net subsystem. Although the impact and attack plausibility have not been proven, this vulnerability could potentially be exploited by malicious actors. It was introduced in version v4.12 of the Linux Kernel and fixed in version v5.17.15. For more details, refer to the provided references.
How To Fix
No fixed version is published for this vulnerability.
To fix this vulnerability, it is recommended to update the Linux Kernel package to version v5.17.15 or later. This update includes the necessary commit (f5c68137f1191ba3fcf6260ec71b30be2e2bf4c3) that addresses the vulnerability. Follow the standard procedure for updating the Kernel package on your Linux distribution.
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Workaround
As this vulnerability has been fixed in the latest version of the Linux Kernel, there is no specific workaround available. It is crucial to update to the patched version to ensure the security of the system.
Conclusion
The vulnerability in the Kernel package, specifically in the net subsystem's mdio_bus_init() function, has been identified and fixed in version v5.17.15. To ensure the security of your system, it is crucial to update to the latest version of the Linux Kernel. For any further support or assistance, please contact DevNack.com.
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FAQ
The impact of this vulnerability is currently unknown, as the actual attack plausibility has not been proven. However, it is essential to apply the fix to prevent any potential security issues.
You can use Vulert's playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file, and Vulert will provide real-time alerts for open-source vulnerabilities, including this one.
The remote exploitability of this vulnerability is currently unknown. However, it is always recommended to apply security patches promptly to mitigate any potential risks.
There are no known instances of this vulnerability being exploited at the moment. However, it is crucial to stay updated with security patches to protect against potential threats.
For further support and assistance in vulnerability remediation, you can reach out to info@devnack.com. Our team will be happy to assist you.
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